Home / 219,678-333,729

Finding the Third Proportional to 219,678 and 333,729

Calculator

Solution

The third proportional to 219,678 and 333,729 is: 506,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,678 : 333,729 = 333,729 : x
  2. Step 2: Convert to fraction form
    219,678/333,729 = 333,729/x
  3. Step 3: Cross multiply
    219,678x = 333,729 × 333,729
  4. Step 4: Simplify right side
    219,678x = 111,375,045,441
  5. Step 5: Solve for x
    x = 111,375,045,441/219,678
  6. Step 6: Final answer
    x = 506,992.26

Related Problems

Find third proportional to 109,839 and 166,864.50
Half scale
Find third proportional to 439,356 and 667,458
Double scale
Find third proportional to 219,680 and 333,732
Similar ratio
Find third proportional to 329,517 and 500,593.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.